let user = require('./User')

console.log(`userName: ${user.userName}`)
 
console.log(`I am ${user.userName}, I say ${user.sayHello()}`)

let http = require('http');
let url = require('url')
let util = require('util');
let server = http.createServer((req, res) => {
  res.statusCode = 200;
   res.setHeader('Content-Type', 'text/plain', 'chartset= utf-8');
   res.end(util.inspect(url.parse(req.url))) 
})
 server.listen(3001, '127.0.0.1', () => {
   console.log('服务器已经运行，请打开浏览器，输入http://127.0.0.1:3001来进行访问')
 })